I think Ruchika meant to link to the article below.
http://gharexpert.com/Home/Articledetail.aspx?PL=2&ArticleID=741&CatID=1372&Count=5&Tot_Rec=14&Page_Id=1&SID=gr8is4drrh4x0asilajem45bzwflczm1c2rbkr&Estimator=&Article=Which%20are%20various%20methods%20for%20the%20protection%20of%20dampness%20in%20buildings
Gagandeep, Replastering the affected area with water proof plaster or cement mixture is very common treatment to cure dampness.But you would find that after sometime of this treatment dampness reappears. So, I am suggesting you some other methods to cure dampness. Click o the fllowing link-
Dampness